Home / 130,179.13-195,284.09-45,921.72

Finding the Fourth Proportional to 130,179.13, 195,284.09 and 45,921.72

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Solution

The fourth proportional to 130,179.13, 195,284.09 and 45,921.72 is: 68,888.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,179.13 : 195,284.09 = 45,921.72 : x
  2. Step 2: Convert to fraction form
    130,179.13/195,284.09 = 45,921.72/x
  3. Step 3: Cross multiply
    130,179.13x = 195,284.09 × 45,921.72
  4. Step 4: Simplify right side
    130,179.13x = 8,967,780,095.41
  5. Step 5: Solve for x
    x = 8,967,780,095.41/130,179.13
  6. Step 6: Final answer
    x = 68,888.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.